arch/arm64/boot/dts/ti/k3-am642-hummingboard-t.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/ti/k3-am642-hummingboard-t.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/ti/k3-am642-hummingboard-t.dts
Extension
.dts
Size
7034 bytes
Lines
292
Domain
Architecture Layer
Bucket
arch/arm64
Inferred role
Architecture Layer: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2023 Josua Mayer <josua@solid-run.com>
 *
 * DTS for SolidRun AM642 HummingBoard-T,
 * running on Cortex A53.
 *
 */

/dts-v1/;

#include <dt-bindings/leds/common.h>
#include <dt-bindings/phy/phy.h>

#include "k3-am642.dtsi"
#include "k3-am642-sr-som.dtsi"

/ {
	model = "SolidRun AM642 HummingBoard-T";
	compatible = "solidrun,am642-hummingboard-t", "solidrun,am642-sr-som", "ti,am642";

	aliases {
		serial5 = &main_uart3;
	};

	leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&leds_default_pins>;

		/* D24 */
		led1: led-1 {
			label = "led1";
			gpios = <&main_gpio0 29 GPIO_ACTIVE_HIGH>;
			color = <LED_COLOR_ID_GREEN>;
		};

		/* D25 */
		led2: led-2 {
			label = "led2";
			gpios = <&main_gpio0 30 GPIO_ACTIVE_HIGH>;
			color = <LED_COLOR_ID_GREEN>;
		};

		/* D26 */
		led3: led-3 {
			label = "led3";
			gpios = <&main_gpio0 33 GPIO_ACTIVE_HIGH>;
			color = <LED_COLOR_ID_GREEN>;
		};
	};

	regulator-m2-3v3 {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&regulator_pcie_3v3_default_pins>;
		regulator-name = "m2-3v3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&main_gpio1 17 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		regulator-always-on;
	};

	regulator-vpp-1v8 {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&regulator_vpp_1v8_default_pins>;
		regulator-name = "vpp-1v8";
		regulator-min-microvolt = <1800000>;

Annotation

Implementation Notes